Random copolymer containing hexagonal imide units, a process...

Details Random copolymer containing hexagonal imide units, a process... Random copolymer containing hexagonal imide units, a process...

C - Chemistry, Metallurgy

08

F

42/2, 402/216

C08F 8/30 (2006.01) C08F 8/48 (2006.01) G11B 7/24 (2006.01)

Patent

CA 1274936

ABSTRACT OF THE DISCLOSURE A novel random copolymer comprising, in specific ratios, methyl methacrylate units, aromatic vinyl compound units, methacrylic acid units, hexagonal anhydride units and hexagonal imide units of the formula Image has been found to have excellent optical properties, mechani- cal strength, heat distortion resistance, heat decomposition resistance and oil resistance, and have low water absorption. The copolymer can advantageously be employed as a material for parts of light electric apparatus, engineering plastics, lenses, optical fiber cables, and is especially useful as a material for a substrate of optical discs.

530941

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